baber/WOPTO huggingface dataset:
Patent RU-2013427-C1 (RU)
Title: Method of removing solvent of polymer solution
Inventor: ZHAN MARI MARSEL GIJOM NAVO
IPC: C08F6/10
Filed: 1988-03-15
Granted: 1994-05-30
Abstract: Process for removing in a single apparatus the solvent from a solution of elastomeric polymer to at least 20%, consisting in: - introducing into the feed hopper of an endless screw, heated between 150 DEG C and 200 DEG C, at a controlled pressure higher than the boiling pressure of the solvent;  - creating a decompression in the feed zone; - removing 80 to 95% of the solvent with the decompression thus created, via the ventilation zone situated at the rear of the feed hopper, while causing the elastomeric polymer solution to travel forward;  - heating the polymer solution between 150 DEG C and 200 DEG C; - removing the remainder of the solvent in the ventilation zones situated forward of the feed hopper; - injecting optionally between the various ventilation zones a quantity of water of between 0.5 to 2% by weight of polymer so as to promote the removal of solvent; - introducing the solvent-free elastomeric polymer dough through a die; - cutting the polymer in the granulator situated just behind the die.
Patent RU-2028293-C1 (RU)
Title: Method of synthesis of imidazoles or their pharmaceutically acceptable salt
Inventor: DZHEFFRI TOMAS BILLKHAJMER
IPC: A61K31/4178
Filed: 1989-12-04
Granted: 1995-02-09
Abstract: FIELD: organic chemistry. SUBSTANCE: product of the general formula (I)  : where R 1  and R 2  independently were taken from the order involving H, C 1 -C 8 -alkyl, unbranched C 3 -C 8 -alkyl, C 3 -C 7 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 7 -C 14 -aralkyl, 2-, 3- or 4-pyridinyl, 2-thienyl, 2-furanyl, phenyl substituted in definite cases with 1-3 groups. The latters were taken from the order involving F, Cl, Br, OH, C 1 -C 4 -alkoxy, C 1 -C 4 -alkyl, branched C 3 -C 8 -alkyl, CH 3 S(O) n ,, NO 2 ,, CF 3 , , CH 3 S(O) n  or NR 7 R 8 ; or R 1  and R 2  taken together form the group (I) where L - 0,0(CH 2 ) m+1 O or (CH 2 ) m  where m = 0-4; R 3  - H, C 1 -C 6 -alkyl, allyl, benzyl or phenyl substituted in definite cases with F, Cl, CH 3 , CH 3 O or CF 3 ; R 4  - -C 1 -C 8 -alkyl with unbranched chain that is substituted with F, C 3 -C 8 -alkyl with branched chain, C 3 -C 7 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 7 -C 14 -aralkyl where aryl-group in definite cases is substituted with 1-3 groups. The latters were taken from the order involving C 1 -C 4 -alkyl or alkoxy-group, F, Br, Cl, NH 2 , OH, CN,  , CF 3 , NO 2 , C 1 -C 4 -carboalkoxy, NR 7 R 8  or NCOR 7 , C 3 -C 6 -alkenyl or alkinyl, C 1 -C 3 -perfluoroalkyl, phenyl substituted in definite cases with 1-3 groups. The latters were taken from C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, F, Br, Cl, NH 2 , OH, CN, CO 2 H, CF 3 , NO 2 , C 1 -C 4 -carboxy, NR 7 R 8  or NCOR 7 , pentafluorophenyl, benzyl substituted in definite cases 1-3 groups taken from C 1 -C 4 -alkyl or alkoxy, F, Br, Cl, NH 2 , OH, CN, CO 2 H, CF 3 , NO 2 , C 1 -C 4 -carboalkoxy, NR 7 R 8  or NCOR 7 : 2-, 3- or 4-pyridinyl, pyrimidinyl or biphenyl, S(O) n ,O,NR 5 ,CH 2 ; R 5  - H, C 1 -C 6 -alkyl or benzyl; R 6  - H, C 1 -C 8 -alkyl, C 3 -C 8 -alkyl with branched chain, C 3 -C 7 -cycloalkyl, C 3 -C 8 -alkenyl or alkinyl, phenyl substituted in definite cases with 1-3 groups. The latters were taken from C 1 -C 4 -alkyl or alkoxy, F, Br, Cl, NH 2 , OH, CN, CO 2 H, CF 3 , NO 2 , C 1 -C 4/  -carboalkoxy, NR 7 R 8  or NCOR 7 , pentafluorophenyl, benzyl substituted in definite cases with 1-3 groups which were taken from C 1 -C 4 -alkyl or alkoxy, F, Br, Cl, NH 2 , OH, CN, CO 2 H, CF 3 , NO 2 , C 1 -C 4 -carboalkoxy, NR 7 R 8  or NCOR 7 , R 7  and R 8  are independently, H and C 1 -C 4 -alkyl; A - C 2 -C 10 -alkyl, C 3 -C 10 -alkyl with branched chain, C 3 -C 10 -alkenyl, C 3 -C 10 -alkinyl; Y - O, S, H 2 , n = 0-2. Reagent 1: compound of the general formula:   where R 1 ,R 2 ,R 3 ,R 6  - as indicated above. Reagent 2: isocyanate of the formula R 4 -N=C=O where R 4  - as indicated above. EFFECT: improved method of synthesis. 6 tbl
Patent RU-2042272-C1 (RU)
Title: Active repeater
Inventor: TORTBAEV KANAT A
IPC: H04B7/15
Filed: 1990-01-11
Granted: 1995-08-20
Abstract: FIELD: radio engineering. SUBSTANCE: active repeater includes receiving antenna 1, high-frequency amplifier 3, frequency converters 4, 8, τ delay lines 6, power amplifier 9, transmitting antenna 2, oscillators 10, 12, controlling signals generator 11, electronic commutator 13 quartz resonators 14, 15. EFFECT: enhanced operational efficiency. 2 dwg
Patent RU-2089339-C1 (RU)
Title: Device for periodic pulling of castings
Inventor: LEVIN PAVEL ALEKSANDROVICH
IPC: B22D11/128
Filed: 1990-04-11
Granted: 1997-09-10
Abstract: FIELD: metallurgy, particular, continuous casting of metal with castings pulling from fixed mold. SUBSTANCE: the offered device of periodic pulling of castings has additional four-link chain with crank gear inscribed in its diagonal. EFFECT: higher efficiency. 2 cl, 2 dwg
Patent RU-2026024-C1 (RU)
Title: Device for curing injures of front structures of spinal column
Inventor: USIKOV VLADIMIR D
IPC: A61B17/60
Filed: 1990-04-05
Granted: 1995-01-09
Abstract: FIELD: medicine. SUBSTANCE: device has profiled rods 1 provided with nuts 2 and tenons 3. Device also has longitudinal and lateral threaded rods 5, 6 provided with buts 7 and couplings 8, where rods 1, 5 and 6 are placed. Couplings 8 are connected together in pairs and mutually perpendicular. Profiled rods 1 may move mutually and independently. EFFECT: improved efficiency of treatment. 5 dwg
Patent RU-2068741-C1 (RU)
Title: Ultrasonic converter oscillation velocity symmetrical transformer
Inventor: STATNIKOV EFIM SH
IPC: B06B1/00
Filed: 1990-05-24
Granted: 1996-11-10
Abstract: FIELD: ultrasonic oscillatory system. SUBSTANCE: oscillatory system transformer has equal-size section envelope made in the form of hollow axially-symmetric waveguide with curvilinear or conical generatrix of mass center surfaces whose cross sizes at output end exceed the seat input end. Calculations of coordinates of generatrix of envelope mass center surfaces are given in description of the invention. EFFECT: enlarged operating capabilities. 2 cl, 4 dwg
Patent RU-2033614-C1 (RU)
Inventor: SHABALIN VLADIMIR N
IPC: G01N33/68
Filed: 1990-08-08
Granted: 1995-04-20
Abstract: Использование: медицина, нефрология, диагностика осложненных форм пиелонефрита. Сущность изобретения: каплю мочи высушивают в течение не менее 40 мин на стеклянной подложке и при наличии полной непрозрачной кристаллизации капли в сочетании с положительной реакцией на наличие белка диагностируют калькулезный пиелонефрит. Положительный эффект: упрощение способа диагностики калькулезного пиелонефрита.
Patent RU-2029114-C1 (RU)
Title: Internal combustion engine
Inventor: SERGOMASSOV VALENTIN DMITRIEVI
IPC: F02B55/00
Filed: 1990-09-27
Granted: 1995-02-20
Abstract: FIELD: engine engineering. SUBSTANCE: internal combustion engine, whose working members are reciprocated, comprises housing with cylindric working chamber separated into spaces of alternative volume by radial projections of the housing, rotor with a hub and blade working members mounted on the intermediate shaft inside the working chamber, output shaft, mechanism for converting revers-rocking motion of the rotor into rotation of output shaft, outlet manifolds, and gear transmission. System for intake of fuel-air mixture is provided with two cylindric slide valve mounted concentrically in the rotor hub for rotation and coupled with the spaces of alternative volume through openings made in the rotor hub in the zone of the base of the working members. Exhaust system is provided with rotating slide valve which is common for two adjacent spaces of alternating volume. The slide valve is mounted in the radial projection of the housing and coupled with spaces of alternative volume through openings made in side walls of the projections. EFFECT: enhanced efficiency. 2 cl, 16 dwg
Patent RU-2027082-C1 (RU)
Title: Method of fixing threaded joints
Inventor: DMITRIEV ANATOLIJ AREFEVICH
IPC: F16B11/00
Filed: 1990-09-27
Granted: 1995-01-20
Abstract: FIELD: mechanical engineering. SUBSTANCE: glue is applied on threaded surfaces of the joints and solidified at temperature up to 300°C. Sodium silicate based liquid glass is used as the glue. EFFECT: enhanced reliability. 4 dwg
Patent RU-2017004-C1 (RU)
Title: Замок
Inventor: ERSHOV VYACHESLAV N
IPC: E05B37/02
Filed: 1990-09-21
Granted: 1994-07-30
Abstract: Использование: устройство для закрывания дверей. Сущность изобретения: устройство содержит кодовый блок, ригель, механизм блокировки ригеля и средство набора кода. Кодовый блок выполнен в виде секции храповых колес. Средство набора кода содержит по меньшей мере одну наборную кнопку. Механизм блокировки ригеля содержит нажимной элемент, взаимодействующий с фиксатором ригеля. Кодовый блок содержит дисковое колесо, снабженное радиальными выемками. Индивидуальные толкатели храповых колес выполнены в виде двуплечих рычагов. 2 з.п. ф-лы, 9 ил.
Patent RU-2011768-C1 (RU)
Title: Drain unit
Inventor: KARGAEV LEONID A
IPC: E03D1/16
Filed: 1991-03-11
Granted: 1994-04-30
Abstract: FIELD: sanitary engineering. SUBSTANCE: ball valve is mounted for engaging with a conical seat and coupled with a float through a flexible tie. A case provided with top inlet and bottom outlet openings has a neck which is coaxial to the seat and is in communication with the inlet opening. The float is received within the neck with a spaced relation. Area of cross-section of the space is equal to area of cross-section of the inlet opening. EFFECT: improved design. 2 dwg
Patent RU-2019799-C1 (RU)
Title: Device for inspecting air-tightness of articles
Inventor: VORONOV YURIJ G
IPC: G01M3/26
Filed: 1991-03-19
Granted: 1994-09-15
Abstract: FIELD: testing for air-tightness. SUBSTANCE: sensitive element of the device is made in form of power cylinder. Lever 5 is attached to rod 3 of power cylinder by hinges. Two indicators 7 and 8 are disposed at free end of lever 5. The indicators detect displacement of rod 3. Distance between indicators 7 and 8 is determined by value of allowable leakage. Displacement transducer of rod 3 is made in form of two photodetectors 9 and 10 disposed at the same level in parallel to lever 5. Each photodetector is connected with corresponding indicator. EFFECT: improved precision. 2 cl, 1 dwg
Patent RU-2010196-C1 (RU)
Title: Capacitive pressure transducer and method of its manufacture
Inventor: BELOZUBOV EVGENIJ M
IPC: G01L9/12
Filed: 1991-02-19
Granted: 1994-03-30
Abstract: FIELD: measurement technology. SUBSTANCE: capacitive pressure transducer has first membrane with elastic center and peripheral base made fast to elastic center and peripheral base of second membrane, plate placed with clearance with reference to second membrane, electrodes of instrument and reference capacitors and output conductors located in interelectrode gaps and contacting output electrodes of capacitors. Second membrane has through slots forming identical straps placed uniformly connecting elastic center and peripheral base of membrane. Through grooves forming identical straps are made in peripheral bases of membranes. Pressure transducer can be supplemented with additional membrane in which central part rod in the form of hollow bushing with longitudinal slots forming protrusions located in slots of plate and second restoring member is anchored and made fast to side surface of elastic center. Characteristic feature of manufacturing method lies in making of through slots in second membrane before polishing restoring members and plate. Grooves in bases of membranes rigidly join bases by means of welding. First restoring member is placed with planar side on technological surface. Elastic centers are pressed to each other and are joined with welding. Then plate and planar side of second membrane are polished, electrodes of capacitors are formed on them. Output conductors are arranged on output electrodes of capacitors, plates are pressed ands attached to base of second membrane. EFFECT: enhanced sensitivity and expanded field of application of capacitive pressure transducer. 4 cl, 4 dwg
Patent RU-2015561-C1 (RU)
Title: Device for aperture correction of images
Inventor: ELMANOV SERGEJ A
IPC: G06K9/40
Filed: 1991-04-16
Granted: 1994-06-30
Abstract: FIELD: automatics; computer technology. SUBSTANCE: device may be used for preliminary image processing, when images have strongly pronounced spatial nonuniformity. Device has delay units 1, 2, adders 3, 4, subtracters 6, 7. Accumulator 5, subtracter 8 and multiplication unit 9 are brought into the device additionally. Image may be adaptively converted in conveyer mode with local statistic characteristics allowed for. EFFECT: improved precision of the device. 3 dwg
Patent RU-2058975-C1 (RU)
Title: Protective explosive
Inventor: CHIKUNOV VIKTOR I
IPC: C06B31/44
Filed: 1991-03-06
Granted: 1996-04-27
Abstract: FIELD: blasting. SUBSTANCE: proposed explosive contains (mass %): water resistant ammonium nitrate (having particles 160 mkm in size) 20.0-30.0, ammonium chloride 20.3-25.3, mixture of nitroglycerine and diethylene glycol dinitrate (at their ratio 60:40-70:30) 9.8-71.2, sodium chloride 4.9-5.6, sodium salt of carboxymethyl cellulose 1.7-2.0, calcium stearate 0.7-0.8, colloid cotton 0.1-0.2, soda ash 0.1-0.2 and sodium nitrate. Rate of detonation of said explosive is 2.1-2.5 km/s. EFFECT: improves quality of desired product. 1 tbl
Patent RU-2018991-C1 (RU)
Title: Method of substrate treatment
Inventor: VARNAKOV ALEKSANDR E
IPC: H01L21/26
Filed: 1991-05-28
Granted: 1994-08-30
Abstract: FIELD: semiconductor devices and printed circuits manufacture. SUBSTANCE: substrates are placed into working chamber and are dried in water vapors. Then the substrates are dried to dryness by microwave radiation pulse. EFFECT: improved efficiency. 1 dwg
Patent RU-2015572-C1 (RU)
Title: Discrete data communication device
Inventor: KASHIN MIKHAIL V
IPC: G08C19/28
Filed: 1991-06-03
Granted: 1994-06-30
Abstract: FIELD: computer technology. SUBSTANCE: device has interface trunk with n+2 lines, units for duplex data transmission, transmitter, pulses duration selector, receiver. Device communicates with the other devices by communication channel. Executive unit, n-1 data signal indication units, control signal indication unit, three-wire handshaking system unit, handshaking signal indication units. Alternating data transmission is provided in the device of condition of interface trunk. Data is transmitted by any m+i units to provide known algorithm of three-wire handshaking system for establishing communication over n, n+1, n+2 lines of interface trunk. EFFECT: widened functional capabilities of the device when establishing general interface trunk between removed objects. 3 cl, 8 dwg
Patent RU-2014851-C1 (RU)
Title: Air ionizer
Inventor: GAGUEV VLADIMIR N
IPC: A61N1/44
Filed: 1991-10-15
Granted: 1994-06-30
Abstract: FIELD: medicine and sanitary. SUBSTANCE: air ionizer has a rectifier, voltage stabilizer, master oscillator, power amplifier, high-voltage transformer, voltage multiplier, static charge removing device all located in a housing made of electric insulating material; and ionizing electrode connected to the voltage multiplier output. The ionizer is characterized in that it comprises the voltage stabilizer connected to the rectifier output which is connected to the input of master oscillator, power amplifier fed from the rectifier is interposed between the master generator and high-voltage transformer, the static charge removing device is connected in rectifier circuit and has a current limiter and terminal for coupling with a patient connected in series, the rectifier being made according to transformerless circuit. EFFECT: enhanced efficiency. 2 dwg
Patent RU-2000847-C1 (RU)
Inventor: BLANK EVGENIJ D
IPC: B05B7/20
Filed: 1991-07-02
Granted: 1993-10-15
Abstract: Использование  при нанесении покрытий дл   упрочнени  деталей, работающих в услови х повышенного  коррозионного, эрозионного и абразивного  воздействи  в различных отрасл х машиностроени , дл  повышени  качества покрытий Сущность  формирование детонационного покрыти  из оксида алюмини  осуществл ют сери ми многослойных  п тен, каждое из которых получают наложением  единичных п тен друг на друга таким образом  чтобы температура покрыти  в момент нане-  сс in чторг/гс .. и ,, ., А единичных п тен серии  была не менее 1100&deg; С, формирование покрыти  осуществл ют с помощью устройства, состо щего  из N детонационных стволов, которые направлены  в одну точку напыл емой поверхности,  установленной с возможностью перемещени  перед  срезами стволов, и снабженного блоком синхронизации  После чий состоит из тактового генератора  (N - 1) таймеров и формирователей импульсов  При этом выход тактового генератора соединен  с первым стволом и со входами (N - 1) таймеров  а выходы )аймеров с входами формирователей  импульсов, выходы которых соединены с остальными  стволами 2 зпф-лы, 1 ил.
Patent RU-2046817-C1 (RU)
Inventor: VINCHENTSO KALEMMA
IPC: C08H7/00
Filed: 1991-11-28
Granted: 1995-10-27
Abstract: FIELD: coal chemistry. SUBSTANCE: method involves coal oxidation (particle size is up to 3 mm) with oxygen or oxygen-nitrogen mixture in the gaseous phase in reactor with fluidized layer at 150-300 C, under partial pressure of oxygen added 0,7-5kg/cm 2 , total pressure 40kg/cm 2 , not above, contact time is 30-600 min. Gases exhausting from reactor were circulated into reactor after cooling up to 50-100 C, preferably at concentration 5-99% of total volume of depleted gas. EFFECT: improved method of humic acid preparing. 6 cl, 2 dwg, 5 tbl
Patent RU-2010902-C1 (RU)
Inventor: PETER DAUGE
IPC: C07C67/26
Filed: 1992-01-13
Granted: 1994-04-15
Abstract: Сущность изобретения: композиция, содержащая гидроокись щелочного металла, силикат щелочного металла, перекись водорода и производное кислоты, в качестве последнего содержит продукт реакции алкиленоксидов и производных карбоновой кислоты с 10 - 22 атомами углерода и/или карбоновых кислот с 10 - 22 атомами углерода, содержащих кислотные остатки, имеющие по меньшей мере одну гидроксильную группу в положении 9, 10, 13 и/или 14, при следующем соотношении компонентов, мас. проц. : указанный реакционный продукт 0,15 - 0,4, перекись водорода 0,7, гидроокись щелочного металла 1,0, силикат щелочного металла (в виде 35% -ного водного раствора) 2,0 и вода остальное. 1 табл.
Patent RU-2081457-C1 (RU)
Title: Security alarm device which monitors distributed objects
Inventor: ONIPKO ALEKSEJ FEDOROVICH
IPC: G08B25/00
Filed: 1991-11-05
Granted: 1997-06-10
Abstract: FIELD: security alarm devices for objects which are connected by means of single-wire communication line. SUBSTANCE: device has pulse selector, which is located at central station and is used for detection of information pulses which are received from monitored objects. n pulse from burst of pulses results in firing n alarm unit which checks object operating order and/or locks fault situation. EFFECT: simplified design, decreased power usage. 1 dwg
Patent RU-2026158-C1 (RU)
Title: Method of treating waste of tungsten and cobalt hard-facing alloys
Inventor: BONDARENKO VLADIMIR PETROVICH
IPC: C22B7/00
Filed: 1991-07-03
Granted: 1995-01-09
Abstract: FIELD: cutting tool reconditioning practice. SUBSTANCE: discarded single-point cutting tools of the BK8 grade are loaded into a furnace and kept at 1000 C for 1 hour in air. When the surface layer has oxidized, it is removed by shot blasting. The clean scrap is again loaded into the furnace and heated to 1000 C until complete oxidation takes place. A mixture of tungsten and molybdenum oxides is charged for reduction at 900 C into a furnace with controlled atmosphere of methane and hydrogen for 2 hours until carbides are formed. The methane concentration is maintained at 1.7 % during the treatment. After a 12-hour grinding, the contents of total and free carbon are determined. Dissolved raw rubber is added to the mixture before it is moulded and the product is sintered. EFFECT: the method enhances the strength of hard-facing alloys. 7 cl, 2 tbl
Patent RU-2030957-C1 (RU)
Title: Strip manufacturing method
Inventor: DOROSHENKO VLADIMIR S
IPC: B22D11/06
Filed: 1991-10-28
Granted: 1995-03-20
Abstract: FIELD: foundry. SUBSTANCE: method involves obtaining strip by freezing it onto roll; sealing surfaces and vacuumizing bulk refractory material to secure it on roll surface; providing local depressurization of surface and cooling refractory material by filtering cooling gas through refractory material, with nitrogen being used as cooling gas. Nitrogen is supplied onto depressurized surface of lining layer and released through perforated rim. Local depressurization of bulk refractory material is effectuated on surface, whose angle of inclination of generatrix relative to horizontal plane does not exceed angle of rest of bulk refractory material. EFFECT: improved quality of strip and enhanced reliability in usage. 2 cl, 3 dwg
Patent RU-2011747-C1 (RU)
Title: Grip for pneumatic hammer for driving sheet piles
Inventor: LUGACHEV VITALIJ G
IPC: E02D7/10
Filed: 1991-06-22
Granted: 1994-04-30
Abstract: FIELD: construction; connection of percussive pneumatic machine with sheet pile in course of its driving into ground. SUBSTANCE: grip has two web with transverse holes through which a wedge is passed in form of coupling bolt with wedge-like flat bevel on its body found in web holes. Web bases are made on outer perimeter with shoulders and flange is composed of shaped and flat members between which web shoulders are clamped. Shaped flange is of U-shaped section. EFFECT: higher efficiency. 2 cl, 3 dwg
Patent RU-2011717-C1 (RU)
Title: Process for producing auxiliary material for boiling and peroxide bleaching of textiles
Inventor: ZHDAMAROVA VALENTINA N
IPC: D06L3/02
Filed: 1992-01-21
Granted: 1994-04-30
Abstract: FIELD: manufacture of auxiliary textile chemicals for preparing cellulose fiber fabrics for dyeing; fabrication of chemicals possessing high wetting, washing and degreasing abilities and capacity of stabilizing hydrogen peroxide in strong alkaline medium at elevated temperatures. SUBSTANCE: alkylpolyoxyethyleneglycol ester containing 8 to 18 C atoms in alkyl group and having average oxyethylation degree of 6 to 12 or alkylphenylpolyoxy ethyleneglycol ester containing 8 to 12 C atoms in alkyl group and having average oxyethylation degree of 10 to 12 was reacted with stirring with vinyl-n-butyl esterat their molar ratio 1 : 0.99 to 1.10 in presence of catalytic 1-oxyethylidene diphosphonic acid taken in amount of 1 to 4 % by mass of polyoxyethyleneglycol ester at temperature of 50 to 60 C during 25 to 55 min. Reaction product was allowed to cool to 15 to 20 C and then neutralized by caustic soda with stirring for 10 to 15 min. Resultant product was added with either distilled or demineralized water and then consecutively another amount of 1-oxyethylidene diphosphonic acid. Introduced as surfactant was sodium or triethanolamine salt of aliphatic alcohol sulfate containing from 8 to 18 C atoms in alkyl group or aliphatic alcohol sulfoxylate containing 8 to 18 C atoms in alkyl group and having oxyethylation degree of 1 to 3. Thus obtained acetal and additives, that is, acetal - caustic soda - water - 1-oxyethylidenediphosphonic acid - surfactant were in the ratio 10 to 20 : 0.6 to 1.5 : 59 to 70 : 2 to 5 : 15 to 25. Desired product having concentration of 1 g/cu. dm exhibited wetting ability of 58 to 64 s when applied to cotton fabric and 65 to 73 s when applied to cotton-dacron fabric, degree of decomposition of hydrogen peroxide of 70.4 to 76.5 % after elapse of 1 h, degree of cotton fabric whiteness between 86.2 to 88.7 % , and cotton fabric post-bleaching capillarity of 140 to 180 mm after elapse of 1 h. EFFECT: high qualities of end product. 3 tbl
Patent RU-2019424-C1 (RU)
Inventor: SAKHAROV ALEKSANDR A
IPC: B44C3/00
Filed: 1992-01-03
Granted: 1994-09-15
Abstract: Изобретение относится к способу изготовления декоративных изделий. Сущность изобретения заключается в том, что в качестве элементов для формирования поверхности изделия используют бруски равной длины. 2 ил.